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Hello All,<br />
<br />
I have a site to site VPN setup between a ASA &amp;&nbsp;851W router, I seem to have an issue with routing that is baffling me.<br />
<br />
As my source and destination protected networks as 10.10.0.0/16 (home office) and 10.10.220.0/29 (remote soho). The ASA has a route of 10.10.0.0/16 and this point to our MPLS router that know off all the other subnets. The local subnet for the ASA is 10.10.20.0/24. Once the VPN is established I can ping devices on the 10.10.20.0/24 network, but not on say the 10.10.24.0/24 network. Now here is the part that I baffled about, if I remove the 10.10.0.0/16 route and replace it with 10.10.24.0/24 point to the same MPLS router as the next hop it works! Why would the broader route not work?<br />
<br />
Thanks!<br />

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Hello All,

I have a site to site VPN setup between a ASA & 851W router, I seem to have an issue with routing that is baffling me.

As my source and destination protected networks as 10.10.0.0/16 (home office) and 10.10.220.0/29 (remote soho). The ASA has a route of 10.10.0.0/16 and this point to our MPLS router that know off all the other subnets. The local subnet for the ASA is 10.10.20.0/24. Once the VPN is established I can ping devices on the 10.10.20.0/24 network, but not on say the 10.10.24.0/24 network. Now here is the part that I baffled about, if I remove the 10.10.0.0/16 route and replace it with 10.10.24.0/24 point to the same MPLS router as the next hop it works! Why would the broader route not work?

Thanks!


Routing Issue - Site to Site VPN

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

Internet Protocol Security (IPsec) is a protocol suite for secure Internet Protocol (IP) communications by authenticating and encrypting each IP packet of a communication session. IPsec includes protocols for establishing mutual authentication between agents at the beginning of the session and negotiation of cryptographic keys to be used during the session. IPsec can be used in protecting data flows between a pair of hosts (host-to-host), between a pair of security gateways (network-to-network), or between a security gateway and a host (network-to-host). IPsec is an end-to-end security scheme operating in the Internet Layer of the Internet Protocol Suite.

Internet Protocol Security

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.